Lexus NX350h (2022 year). Manual in english — page 38

Related Links

If your vehicle overheats(P. 703)

"Access System with Elec.Key malfunction See owner's manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"Braking Power Low Stop in a Safe Place See Owner's Manual"

Cause

Remedy

It may indicate a mal-
function.

Immediately stop the vehicle and contact your Lexus
dealer. Continuing to drive the vehicle may be danger-
ous.

"Oil pressure low Stop in a safe place See owner's manual"

Cause

Remedy

It may indicate a mal-
function.

Immediately stop the vehicle and contact your Lexus
dealer. Continuing to drive the vehicle may be danger-
ous.

"High Power Consumption Power to Climate Temporarily Limited"

Cause

Remedy

If this message is displayed frequently, there is a
possible malfunction relating to the charging sys-
tem or the 12-volt battery may be deteriorating.

Have the vehicle checked
by your Lexus dealer imme-
diately.

A message that indicates the need for visiting your Lexus dealer

Cause

Remedy

The system or part shown on the multi-in-
formation display is malfunctioning.

Have the vehicle inspected by your
Lexus dealer immediately.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

626

"A New Key has been Registered Contact Your Dealer for Details"

Cause

Remedy

This message will be displayed each
time the driver’s door is opened when
the doors are unlocked from the out-
side for approximately 10 days after
a new electronic key has been regis-
tered.

If this message is displayed but you have
not had a new electronic key registered,
ask your Lexus dealer to check if an un-
known electronic key (other than those
in your possession) has been registered.

"Parking Brake Temporarily Unavailable"

Cause

Remedy

If the parking brake is operated repeatedly
over a short period of time, the system may
restrict operation to prevent overheating.

If this happens, refrain from operat-
ing the parking brake. Normal oper-
ation will return after about 1 minute.

"EPB Activation Stopped Incompletely"

Cause

Remedy

Operate the parking brake switch. If the message
does not disappear after operating the switch several
times, the system may be malfunctioning.

Have the vehicle
checked by your Lexus
dealer.

"Parking Brake Unavailable"

Cause

Remedy

Operate the parking brake switch. If the message
does not disappear after operating the switch several
times, the system may be malfunctioning.

Have the vehicle
checked by your Lexus
dealer.

"Brake Hold Malfunction Press Brake to Deactivate Visit Your Dealer"

Cause

Remedy

The system may be malfunc-
tioning.

Have the vehicle checked by your Lexus dealer
immediately.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

627

9

When tr

ouble arises

"Maintenance Required for Traction Battery Cooling Parts See Own-
er's Manual"

Cause

Remedy

The air intake vent or filter of the hy-
brid battery (traction battery) may
be clogged, the air intake vent may
be blocked, or there may be a gap
in the duct. Therefore, perform the
following correction procedure.

●

If the air intake vent or filter of the hybrid
battery (traction battery) is dirty, clean
them.

●

If the warning message is shown when
the air intake vent and filter the hybrid
battery (traction battery) are not dirty,
have the vehicle inspected at your Lexus
dealer.

Related Links

Cleaning the air intake vent and filter(P. 541)

"EV Mode Unavailable"

Cause

Remedy

The EV drive mode is not available.
The reason the EV drive mode is not available (the vehicle is
idling, battery charge is low, vehicle speed is higher than the
EV drive mode operating speed range or accelerator pedal is
depressed too much) may be displayed.

Use the EV drive
mode when it be-
comes available.

"EV Mode Deactivated"

Cause

Remedy

The EV drive mode is not available.
The reason the EV drive mode is not available (the
battery charge is low, vehicle speed is higher than the
EV drive mode operating speed range or accelerator
accelerator pedal is depressed too much) may be dis-
played.

Drive the vehicle for a
while before attempting
to turn on the EV drive
mode again.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

628

"Shift System Malfunction Shifting Unavailable Drive to a Safe Place
and Stop"

Cause

Remedy

There is a malfunction in the shift
control system.

Have the vehicle checked by your Lexus
dealer immediately.

"Shift System Malfunction Driving Unavailable"

Cause

Remedy

There is a malfunction in the shift
control system.

Have the vehicle checked by your Lexus
dealer immediately.

If a message that indicates the need for the shift lever operation is
displayed

Cause

Remedy

To prevent the shift lever from being operated incorrectly
or the vehicle from moving unexpectedly, a message that
requires shifting the shift position may be displayed on
the multi-information display.

Follow the instruction
of the message and
shift the shift position.

"Shift System Malfunction Apply Parking Brake Securely When Parking
See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"P Switch Malfunction Apply Parking Brake Securely When Parking
See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

629

9

When tr

ouble arises

"Shift System Unavailable Apply Parking Brake Securely When Parking
See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"Shift System Malfunction See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"Shift System Malfunction Stop in a Safe Place See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"Battery Low Shifting Unavailable See Owner's Manual"

Cause

Remedy

It may indicate a malfunction.

Have the vehicle checked by your Lexus dealer
immediately.

"Key Battery Low Replace Key Battery"

Cause

Remedy

The electronic key has a low battery.

Replace the electronic key battery.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

630

"System Malfunction Visit Your Dealer"

Cause

Remedy

Indicates one of the following systems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change Assist)

*

●

AHB (Automatic High Beam)

●

AHS (Adaptive High-beam System)

*

●

Dynamic radar cruise control system

●

RSA (Road Sign Assist)

*

●

BSM (Blind Spot Monitor)

●

RCTA (Rear Cross Traffic Alert)

●

Automatic Rear Flashing Hazard Lights

●

Safe Exit Assist (with door opening control)

●

Intuitive parking assist

*

●

PKSB (Parking Support Brake)

*

●

RCD (Rear camera detection)

*

●

Have the vehicle inspected
by your Lexus dealer im-
mediately.

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

631

9

When tr

ouble arises

"System Stopped See Owner's Manual"

Cause

Remedy

Indicates one of the following systems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change Assist)

*

●

AHB (Automatic High Beam)

●

AHS (Adaptive High-beam System)

*

●

Dynamic radar cruise control system

●

RSA (Road Sign Assist)

*

●

BSM (Blind Spot Monitor)

●

RCTA (Rear Cross Traffic Alert)

●

Automatic Rear Flashing Hazard Lights

●

Safe Exit Assist (with door opening control)

●

Intuitive parking assist

*

●

PKSB (Parking Support Brake)

*

●

RCD (Rear camera detection)

*

●

Follow the following cor-
rection methods.

●

Check the voltage of the
12-volt battery

●

Remove any dirt or foreign
matter from the front/rear
side radar sensors

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

632

"System Stopped Front Camera Low Visibility See Owner's Manual"

Cause

Remedy

Indicates one of the following systems is
disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA

（

Lane Change Assist

）

*

●

AHB (Automatic High Beam)

●

AHS

（

Adaptive High-beam System

）

*

●

Dynamic radar cruise control system

●

RSA (Road Sign Assist)

*

●

Follow the following correction
methods.

●

Using the windshield wipers, re-
move the dirt or foreign matter
from the windshield.

●

Using the air conditioning system,
defog the windshield.

●

Close the hood, remove any stick-
ers, etc. to clear the obstruction in
front of the front camera.

"System Stopped Front Camera Out of Temperature Range Wait until
Normal Temperature"

Cause

Remedy

Indicates one of the following sys-
tems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change Assist)

*

●

AHB (Automatic High Beam)

●

AHS (Adaptive High-beam
System)

*

●

Dynamic radar cruise control
system

●

RSA (Road Sign Assist)

*

●

Follow the following correction methods.

●

If the front camera is hot, such as after the
vehicle is parked in the sun, use the air con-
ditioning system to decrease the tempera-
ture around the front camera

●

If a sunshade was used when the vehicle
was parked, depending on its type, the
sunlight reflected from the surface of the
sunshade may cause the temperature of the
front camera to become excessively high

●

If the front camera is cold, such after the
vehicle is parked in an extremely cold envi-
ronment, use the air conditioning system to
increase the temperature around the front
camera

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

633

9

When tr

ouble arises

"System Stopped Front Radar Sensor Blocked Clean Radar Sensor"

Cause

Remedy

Indicates one of the following
systems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change As-

sist)

*

●

AHB (Automatic High
Beam)

●

AHS (Adaptive High-beam
System)

*

●

Dynamic radar cruise con-
trol system

●

Follow the following correction methods.

●

Check if there is any foreign matter attached
to the radar sensor or radar sensor cover and
clean them if necessary.

→

P.343

●

This message may be displayed when driving in
an open area with few nearby vehicles or struc-
tures, such as a desert, grasslands, suburbs,
etc.
The message may be cleared by driving the
vehicle in an area with structures, vehicles, etc.
nearby.

"System Stopped Front Radar Sensor Out of Temperature Range Wait
until Normal Temperature"

Cause

Remedy

Indicates one of the following systems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change Assist)

*

●

AHB (Automatic High Beam)

●

AHS (Adaptive High-beam System)

*

●

Dynamic radar cruise control system

●

The temperature of the ra-
dar sensor is outside of the
operating range. Wait for
the temperature to become
appropriate.

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

634

"System Stopped Front Radar In Self Calibration See Owner's Manual"

Cause

Remedy

Indicates one of the following sys-
tems is disabled.

●

PCS (Pre-Collision System)

●

LDA (Lane Departure Alert)

●

LTA (Lane Tracing Assist)

●

LCA (Lane Change Assist)

*

●

AHB (Automatic High Beam)

●

AHS (Adaptive High-beam
System)

*

●

Dynamic radar cruise control
system

●

Follow the following correction methods.

●

Check if there is any foreign matter attach-
ed to the radar sensor or radar sensor cov-
er and clean them if necessary.

→

P.343

●

The radar sensor may be misaligned and
will be adjusted automatically while driving.
Continue driving for a while.

"Parking Assist Unavailable Low Visibility See Owner's Manual"

Cause

Remedy

Indicates one of the following systems is disa-
bled.

●

RCD (Rear camera detection)

*

●

PKSB (Parking Support Brake)

*

●

Remove any dirt or foreign
matter from the front/rear
cameras.

"Check Engine"

Cause

Remedy

It may indicate a malfunc-
tion.

●

Have the vehicle inspected by your Lexus dealer
immediately.

"Hybrid System Malfunction"

Cause

Remedy

It may indicate a malfunc-
tion.

●

Have the vehicle inspected by your Lexus dealer
immediately.

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

635

9

When tr

ouble arises

"Accelerator System Malfunction"

Cause

Remedy

It may indicate a malfunc-
tion.

●

Have the vehicle inspected by your Lexus dealer
immediately.

"Traction battery system malfunction"

Cause

Remedy

It may indicate a malfunc-
tion.

●

Have the vehicle inspected by your Lexus dealer
immediately.

"Hybrid System Stopped"

Cause

Remedy

The vehicle may have run
out of fuel.

●

Stop the vehicle in a safe place and, if the fuel level
is low, refuel the vehicle.

"Engine stopped No Fuel"

Cause

Remedy

The vehicle may have run
out of fuel.

●

Stop the vehicle in a safe place and, if the fuel level
is low, refuel the vehicle.

"Unavailable Activation Condition not Satisfied See Owner's Manual"

*

Cause

Remedy

The LCA function cannot be used as

the operating conditions have not been
met.

→

P.373

●

Operate the turn signal lever again
after all of the operating conditions
are met.

* :

If equipped

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

636

"Cruise Control Unavailable See Owner's Manual"

Cause

Remedy

Indicates one of the following systems is disabled.

●

Dynamic radar cruise control

●

Cruise control

A message is displayed when the driving assist switch is
pushed repeatedly.

●

Press the driving as-
sist switch quickly
and firmly.

9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter

637

9

When tr

ouble arises

If the hybrid system will not start

When the hybrid system cannot be started even though the correct
starting procedure is being followed

Cause

Remedy

If the smart access system with push-
button start has been disabled by a
setting, the electronic key may not
operate normally.

Make sure that the smart access system
with push-button start has not been dis-
abled by a customization setting. If the
function has been disabled, enable it.

If the electronic key has been set to
battery saving mode, it may not op-
erate normally.

Check if electronic key has been set to
battery saving mode. If it is, cancel the
mode.

There may not be sufficient fuel in the
vehicle’s tank.

Refuel the vehicle.

There may be a malfunction in the
immobilizer system.

●

If the key is touching or is covered by
a metallic object, move the key away
from the object.

●

If the key is near to or touching a key to
the security system (key with a built-in
transponder chip) of another vehicle,
move the key away from the other key.

There may be a malfunction in the
steering lock system.

Contact your Lexus dealer.

The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery deple-
tion or a blown fuse.

However, depending on the type of mal-
function, a temporary measure is available
to start the hybrid system.

There may be a malfunction in the
shift control system.

*1

Contact your Lexus dealer.

There is a possibility that the temper-
ature of the hybrid battery (traction
battery) is extremely low (approxi-
mately below -22°F [-30°C]).

Try to start the hybrid system again after
the temperature of the hybrid battery in-
creases due to the outside temperature
increase etc.

*1 :

It may not be possible to shift the shift position from P.

9-3. If the hybrid system will not start

638

Related Links

Starting the hybrid system in an emergency(P. 639)
Starting the hybrid system when the electronic key is not operating normally (P. 639)
If a warning message is displayed(P. 621)
Key types(P. 68)
Refueling(P. 190)
Starting the hybrid system(P. 154)
Enable the immobilizer system(P. 89)
Changing the power switch mode(P. 156)
If a warning message is displayed(P. 621)

Starting the hybrid system in an emergency

Do not use this starting procedure except in cases of emergency.

1

Pull the parking brake switch to check that the parking brake is set.

Parking brake indicator will come on.

2

Check that the shift position is in P.

3

Change the power switch to ACC.

4

Press and hold the power switch for about 15 seconds while depressing the
brake pedal firmly.

Even if the hybrid system can be started using the above steps, the system may be
malfunctioning.
Have the vehicle checked by your Lexus dealer immediately.

Starting the hybrid system when the electronic key is not operating
normally

1

Ensure that the shift position is in P and depress the brake pedal.

2

Touch the Lexus emblem side of the electronic key to the power switch.

When the electronic key is detected, a buzzer will sound and the power switch mode
will change to ON.
If the smart access system with push-button start has been disabled by a customization
setting, the power switch mode will change to ACC.

9-3. If the hybrid system will not start

639

9

When tr

ouble arises

3

Firmly depress the brake pedal and check that a message is shown on the
multi-information display.

4

Press the power switch.

In the event that the hybrid system still cannot be started, contact your Lexus dealer.

INFORMATION

■

Stopping the hybrid system

Shift the shift position to P, set the parking brake and press the power switch as you
normally do when stopping the hybrid system.

■

Electronic key battery

As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.

■

Changing power switch modes

Release the brake pedal and press the power switch in step

4

above. The hybrid

system will not start and the mode will be changed each time the switch is pressed.

Related Links

Replace the electronic key battery(P. 666)

9-3. If the hybrid system will not start

640

When the interior lights or headlights are dim and the hybrid system
cannot be started

Cause

Remedy

The 12-volt battery may be dis-
charged.

Restarting the hybrid system using the jump-
er (or booster) cables.

The 12-volt battery terminals may
be loose or corroded.

Check if a 12-volt battery terminal is loose or
corroded.

Related Links

Restarting the hybrid system when the 12-volt battery is discharged(P. 671)
If the vehicle 12-volt battery is discharged(P. 641)
If the vehicle 12-volt battery is discharged(P. 641)
Key types(P. 68)
Opening/closing the doors(P. 79)
Using the mechanical key(P. 669)
If a door cannot be opened using the door opener switch(P. 675)
When removing the 12-volt battery terminals(P. 645)
Items to initialize(P. 757)

If the vehicle 12-volt battery is discharged

WARNING

■

When replacing the 12-volt battery

●

When the vent plug and indicator are close to the hold down clamp, the battery fluid
(sulfuric acid) may leak.

●

For information regarding 12-volt battery replacement, contact your Lexus dealer.

If the 12-volt battery discharges, it may not be possible to shift the shift position to
other positions.
In this case, the vehicle cannnot be towed without lifting both front wheels because
the front wheels will be locked.

9-3. If the hybrid system will not start

641

9

When tr

ouble arises